Magnus Nilsson

9:43 AM (0 minutes ago)
to info
I had the same requirements. As far as I know the only way is to extend the foreachwriter, cache the microbatch result and write to each output.

Unfortunately it seems as if you have to make a new connection "per batch" instead of creating one long lasting connections for the pipeline as such. Ie you might have to implement some sort of connection pooling by yourself depending on sink. 



On Mon, Nov 19, 2018 at 9:13 AM Dipl.-Inf. Rico Bergmann <> wrote:

I have a SparkSQL programm, having one input and 6 ouputs (write). When
executing this programm every call to write(.) executes the plan. My
problem is, that I want all these writes to happen in parallel (inside
one execution plan), because all writes have a common and compute
intensive subpart, that can be shared by all plans. Is there a
possibility to do this? (Caching is not a solution because the input
dataset is way to large...)

Hoping for advises ...

Best, Rico B.

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